A model of H sub 2 -enhanced spray combustion

Journal Article · Wed Feb 28 23:00:00 EST 1990 · Combustion and Flame; (USA)

DOI:https://doi.org/10.1016/0010-2180(90)90143-F· OSTI ID:6774302

Richards, G A; Sojka, P E ^[1]

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1. Purdue Univ., Lafayette, IN (USA). Thermal Science and Propulsion Lab.

A theoretical model for hydrogen-enhanced spray combustion has been developed. It assumes evaporation limited combustion, requires specification of a droplet ignition temperature, and assumes hydrogen combustion occurs at a given temperature in a zone that is thin compared to the spray combustion zone. The model has been used to investigate how the location of hydrogen combustion affects the flame speed of a spray/hydrogen-air mixture. Flame speeds calculated without hydrogen addition are in good agreement with experimental data. Flame speeds calculated with hydrogen addition support the hypothesis that hydrogen burnup must occur early in the spray combustion zone if substantial improvement in the hydrocarbon burning rate is to be observed.

• OSTI ID: 6774302
• Journal Information: Combustion and Flame; (USA), Journal Name: Combustion and Flame; (USA) Vol. 79:3; ISSN 0010-2180; ISSN CBFMA
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
025000 -- Petroleum-- Combustion
08 HYDROGEN
083000* -- Hydrogen-- Combustion-- (1990-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800 -- Combustion
Pyrolysis
& High-Temperature Chemistry
CHEMICAL REACTION KINETICS
COMBUSTION KINETICS
ELEMENTS
FLAME PROPAGATION
HYDROCARBONS
HYDROGEN
KINETICS
MATHEMATICAL MODELS
NONMETALS
ORGANIC COMPOUNDS
REACTION KINETICS
SPRAYS